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1、帶輪Pulley圓弧齒同步帶輪輪齒ArctoothTimingtooth型號Type節(jié)距pb齒槽深hg齒槽圓弧半徑R齒頂圓半角r1齒槽寬s兩倍節(jié)頂距2δ齒形角3M31.280.910.26~0.351.900.762≈14°5M52.161.560.48~0.523.251.144≈14°8M83.542.570.78~0.845.351.372≈14°14M146.204.651.36~1.509.802.794≈14°20M208.606.841.95~2.2514.804.320≈14°直邊齒廓尺寸Dimensionoflineartypepulley型
2、號TypeMXLXXLXLLHXHXXH齒槽底寬bw0.84±0.051.14±0.051.32±0.053.05±0.104.19±0.137.90±0.1512.17±0.180000000齒槽深hg0.690.841.652.673.057.1410.31-0.05-0.05-0.08-0.10-0.13-0.13-0.13齒槽半角Φ+1.5°20252520202020齒根圓角半徑rb0.350.350.411.191.601.983.96+0.05+0.05+0.05+0.13+0.13+0.13+0.13齒頂圓角半徑rt0.130.300.641.
3、171.602.393.180000000兩倍節(jié)頂距2β0.5080.5080.5080.7621.3722.7943.0481、同步帶輪的型式PulleyTypes2、齒型尺寸、公差及技術(shù)參數(shù)Dimension,Tolerances&TechnicalParameters3、各種型號同步帶輪齒面寬度尺寸表DimensionofPulleyToothFlankWidth4、訂購須知OrderAttention圓弧齒輪傳動類型:1,thetypeofsynchronousbeltround1)圓弧圓柱齒輪分單圓弧齒輪和雙圓弧齒2,tooth-size,toler
4、anceandtechnicalparameters輪。3,variousmodelsofsynchronousbelttoothsurfacewidthsizetable2)單圓弧齒輪的接觸線強(qiáng)度比同等條件下漸4,orderingnotes開線齒輪高,但彎曲強(qiáng)度比漸開線低。3)圓弧齒輪主要采用軟齒面或中硬齒面,采ArcGeartypes:用硬齒面時一般用矮形齒。1)single-cylindergearcirculararcgearanddoublearcgear.圓弧齒輪傳動設(shè)計步驟:2)single-arcgearcontactlineintensity
5、ratiounderthesameconditionsinvolutegear,but1)簡化設(shè)計:根據(jù)齒輪傳動的傳動功率、輸bendingstrengththaninvolutelinelow.入轉(zhuǎn)速、傳動比等條件,確定中心距、模數(shù)3)arcgearusedmainlyinthesoftorhardenedtoothsurface,whichtendstobeusedwhen等主要參數(shù)。如果中心距、模數(shù)已知,可跳usingHardeneddwarfgear.過這一步。2)幾何設(shè)計計算:設(shè)計和計算齒輪的基本參Arcgeardrivedesignsteps:數(shù),
6、并進(jìn)行幾何尺寸計算。1)simplifythedesign:Accordingtothetransmissiongeartransmissionpower,input3)強(qiáng)度校核:在基本參數(shù)確定后,進(jìn)行精確speed,transmissionratioandotherconditionstodeterminecenterdistance,modulus,and的齒面接觸強(qiáng)度和齒根彎曲強(qiáng)度校核。otherkeyparameters.Ifthecenterdistancemodulusknown,canskipthisstep.4)如果校核不滿足強(qiáng)度要求,可以返回
7、圓弧齒輪傳動的特點:2)calculatethegeometricdesign:designandthebasicparametersofgear,andgeometry1)圓弧齒輪傳動試點嚙合傳動,值適用于斜calculation.齒輪,不能用于直齒輪。2)相對曲率半徑比漸開線大,接觸強(qiáng)度比漸3)StrengthCheck:Thebasicparametersestablished,theprecisetoothcontactstrength開線高。andflexuralstrengthtoothrootcheck.3)對中心距變動的敏感性比漸開線大。加工時
8、,對切齒深度要求較高,不允許徑向變位4